Re: [Wicket-develop] Fwd: [ wicket-Bugs-1184215 ] example pub is broken

Wed, 20 Apr 2005 01:00:16 -0700

I looked into the sources and yes a JarURLConnection looks first in the inputstream itself
It calls the public String guessContentTypeFromStream(InputStream is) of URLConnection
And only if that fails it goes to:

    public static String guessContentTypeFromName(String fname) {
    return getFileNameMap().getContentTypeFor(fname);
    }


FileURLConnection doesn't do guess by stream but direct does that through the filename map:

        FileNameMap map = java.net.URLConnection.getFileNameMap();
        contentType = map.getContentTypeFor(filename);

in the initializeHeaders method.

So if you really want the right content type you should first try the call the static guesContentTypeFromStream
of the URLConnection class.

Should i change this so that file also first checks by stream?

johan


Juergen Donnerstag wrote: 
On 4/18/05, Johan Compagner <[EMAIL PROTECTED]> wrote:
  
So the jar: is right and the file isn't?
    

yes

  
So the jar seems to look at the first bytes but the file just to the
extention?
    

yes

  
I will debug this to test what the difference is in the underlying
implementation.

    

I've renamed *.gif to *.jpeg and committed it this morning. I think it
is working now. But I'm be interested to know if there is really a
difference in the implementation.


Juergen


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